Trilogy?
Maybe I just imagined it, but I thought I'd read that Hal Hartley has considered doing another movie with these characters. I'm not sure how much anyone is dying to see another sequel after Fay Grim, which many consider to be a let down, but it left things in such a tenuous state that I would really like something with a little more closure.
Speaking of things I imagined, I actually had a dream not that long ago that I was watching a third movie in this series, this time centering on Ned. The way Fay Grim was different from Henry Fool with its espionage plot, this one had a supernatural theme. The stereopticon or whatever the thing was that Henry sent Fay in the last movie turned out to have magical properties. Weird stuff.